Power rail-drilling machine



May 29, 1928. 1 1,671,575

' E. A. EVERETT POWER RAIL DRILLING MACHINE Filed Aug. 11, 1924 6Sheets-Sheet 1 55 a; /3 55 I i 74 m WI 4 5 22 f EIIIIILIH: mumm Z? I Fu2/ May 29, 1928. 1,671,575

E. A. EVERETT POWER RAIL DRILLING MACHINE Filed Aug. 11, 1324SSheets-Shet 5 1,671,575 E. A EVERETT PQWER RAIL DRILLING MACHINE FiledAug. 11, 1924 6 Sheets-Sheet 5 May 29, 1928.

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E E. A. EVERETT POWER RAIL DRILLING MACHINE F i1ed Aug. 11, 1924 6Sheets-Sheet 6 INVENTOR.

A TTORNE Y.

Patented May 29, 19.28.

'unirn stares was,

I EDWAFRD A. EvI'inETf'r, 03mm .IsLAni) CITY, New Yo'itK, AssIGnoRTo-NAtTDE coitronAErIoN', .d. lconronn'rion or new YORK. 1

rowan" Bait-DRILLING MAGHINE.

Application fiieai ugustin 1924. Serial No. v7a1,3e7.

' This invention relates to a rail drilling machine operated by powerfordrilling the rails of a railway track and has for an object to provide amachine of this class which f will drill large holes in the web of therail, which will drill the hole accurately in a marked centre, whichwill drill holes close to the ends of a single rail, which canbe readilyrolled along the rail, which is easily positiondfor drilling and whichcan be quickly removed from the track. These and other objects of theinvention. will be more fully understood from the following chine andFig. 2 is an elevation. Fig. 3

adjusting the supp'ortingshoe, Figs. 9 and v10 are details of theeccentric bearings for the rollers, Fig. 11 is a side elevation of thecomplete machine, Fig. 12 is a part eleva tion from the motor end andFigs. 13 and 1 1 are details. l I

Modern railroads designed for heavy trai fie are laid withv railsweighing from 100 to 135 lbs. to the yard and have a 'web ofapproximately in thickness. It .is found that these rails wear morerapidly at the ends where the wheels pass :Erom one rail to theother'than elsewhere andthis has led to a process of cropping rail inorder to extend *its life. Cropping consists in cutting off a portion ofthe end of the rail where it is V worn and providinga new set .of holesfor can the splice bars so thatithe rail'can be relaid after the wornportion is removed. I

- Heretotorera'ils have been taken up from v the track and removed to amachine shop where the ends are sawn ofliand the rail is redrilledpreparatory to its relaying. The

ends are now burned off with an oxy-acetylene torch without taking upthe rails butit is not-economical to drill the ends with hand drills}The power operated. drill, of the P t .we i qn, enables the ra l t bespecification and the accompanying drawings; in which, Flg'. 1 is a planView ,of'the 1na-.

drilled in the track or on the end of the ties thereby eiiecting greateconomies in this process of rail cropping. This machin'ejis' "rsnrcreme.

equippedwith a P. n1otor.and .will drill v a one and one half inchlholein-a 135 lb. rail in one and t'hjree quarter minutes. It weighsapproximately, 350 lbs. and caneasilybe men. It will drill railsthatare' laid forms ing part'o'f the running track or it will drill: i

rails that are setup on the ends of the ties preparatory to laying or itwill drill a single is readily disengaged from the rail and removed inan emergency such as might arise in clearing the track for anapproaching train. I I v w This invention is designed along the linesshownin U. S. Patent,1,42 1,194-,, issued in my name on June 27,1922. Anumber of fea Y titres are embodied inthis'machine which are not foundin the former.- These arebrought 8O aboutby the increased Weight andpower of themachine, bythe necessity for drilling through a, markedpoint and by the necessity for quickly positioning the drill tovarfoussizes of rail and to 'varying conditions of track and ties so that thetime required to operated and ren oved iromthe .track bytwo position thedrill will not be out of propore tion to the time consumed in drillingthe hole.

Referring to the resents the end section of a} railway rail,- 12, Fig.1is the main frame of the machine which is mounted to roll upon the,rollers 13 and 14 on one rail of the track. The entire machine isbalanced upon theserollers so that it can be moved along the trackwithcomparatively.little effort. The 'IEI21I116.,12

dr awings,;l1, Fig. Strep} has right angle eXtensfions15 and 16..

The extension v15 supports the, gearing 1 and the drill and theextension 16 supports the engine or motor. The feeding mechanism for thedrill is housed in 17 and-18 is an. adjustable shoe whereby theelevation of the'drill is adjusted. The ha dle 1-9 at one end of theframe andthe handles'20 and 21 at .theoppositeen'd enable'the machine tobe lifted from the track by two men. The

frame 16 is formed in a. T to supportlthe handl as indicated-at and 25is the b d moi the engine or motor 23 having the fly wheel 24 andconnected. to the driving shaft 26.

vThe gear transmission fromthe motor to the drill spindle is shown inFig. 4;. The

engine or motor shaft is indicated by 26 upon which the gear 27 ismounted; this thebevel gear '32 at the opposite end. gear engages thebevel gear 33 mounted upon gear engages 28 which is mounted integrallywith the gear 29 which engages 80 mounted upon the horizontal shaft 31wh ch carrles This the vertical shaft 34: which, at the lower end,

carries the bevel gear 35 which engages the bevel: gear 36 rotating onthe axial line of the Ydrill.

' drive and as shown has areduction of about 18' to 1 between the engineshaft and This gear transmission provides a postive the ,drill'spindle.The gears are supported the covers? by the gear case lil which isprovided with The bevel gears are, enclosed by'the cover i l andthe'bevelgearson the drill spindle are enclosed by the casting 15. Thedrill spindle 37 has a spline 88 -which engages the bevel gear '36causing the drill-39 to rotate therewith. The drill 39 is secured in thechuck 40 and the spindle rotatesin the-bearing 4:1. 16, 417 and 48 Fig".aroma an upstanding pipe rail by means of which the machine may beguided upon the track and-also forms a convenient support for the engineor motor controls which are not-shown-in the drawings.

Thedrill'feeding mechanism is housed in the casing 51 and comprises asliding'member 52in which the endlof the spindle 53 rotates. 'Thisspindle is-securedby the nut 54 at the end to the sliding member and athrust ball bearing 55 is introduced between the sliding member 52 andthe spindle'37. It will be noted from that the rack bar56 is. secured tothe sliding member 52 and is the medium "by which the sliding moi e dtowards or. away from the drillingposition. The periphery of this wheelis corrugated so that it may be graspedfirmly by the hand.

On; the V shaft 59 the gear wheel '62 is mounted. This wheel is muchlarger in' diameterthan 58and through its operation a considerableleverage is obtained'against the. working of the drill.

Gear 62 is protected by a cover 67 by which it is entirely enclosed.

I Rotatably mounted uponthesh'aft'59 is the bracket 63 supporting thesocket 6 1 of the feeding'handle 65. This handle is provided w th a pawl66 by means of which it maybe latched to the gear 62 so'that the handleand gearmove together, or it maybe unlatched so that the feedinghandlecan be moved independently of 62. ;The pawl 66 is operated by thelatch rod 69'and is nor* mally held inengagement with coilspring 68- Thelatchr0d can be released manually bythe latch rod handle 70 audit isalso released automatically when the feed handle is in a predeterminedposi- "10' l 62 by the tion by the tappet 71, pivotedat 72 to the, w

Socket 6 1 and pivotally connected {withathe latch rod at 73. When thefeed ;lever.;i s

moved to the left as-=indicated-inFigs and 11, tappet 71 engages' 'flland is raised thereby releasing the pawl 66 and {enabling the drill tobe 'moved by the handwheel-(il.

The tappet releasing member. 7 l1is. secured at 75 to the gear case asshownlinFigs-1, &

and 11 and-releases the feedhandle when.

the latter, is-thrown forward. y

. In using this machine the-holes are centre punched and are drilledaccuratelyyto positionJ-The' drill must be operatedat right angles tothe rail asindicated byilin'e. a Fig.

3. The drilling mechanism is 'supportedby the shoe 18 Fig.- 11 whichrests upon the ties.

of the track. Considerable variation exists bet-ween'the ties and therail and in order to obtain"v the propervposition of the drill withrelation tothe rail, it is necessary to so I make frequent adjustmentsof the position 0f the shoe 18. This shoe is pivotedjona shaft 81 toItheprojection-82 of the casting 51,]as shown in Fig.- 6.. A' lug' 83 formedintegral with 18 is developedninto a worm quadrant-84c. This is engagedby the worm 88, Fig. ported bybralcket'85. .Turninghan'dle 87 adjuststhe position of 18 with amicro'meter adjustment. q

The thrust from the drill is taken-up by 8 mounted on shaft 86 and sup-ZI the quadrant'91, Fig. 3; -Thezend o-f 'this I quadrant engages therail, on line a opposite the drill and is forkedat 92 as indicated bythe shaded'lines'so thatr'the drill can pass between the legs of thefork. "Thefqu'adrant 91 is mounted on ,shaft-93, ;Fig. 1 and; is

normally raised as indicated at'108 Fig.1?)

by the coil spring 94. This holds the :quadrant clearof the rail and thesplice bars andbolts as the machine is moved 'on'its-rollers. The.quadrant is lowered to the position shown in Fig. 3 by means of thepedal 100 and bar99 bolted to the bracket 98 whichis free to turn onshaft93. A lug 97 'onthis bracket engages a lug 97 on collar which.

turns shaft. 93 and lowers "the quadrant.

When thepedal is released it is returned 'to its normal. position by."the spring 101.

lVhen' the quadrant is'lowered itis auto mat-ically latched in thelowered position by the plunger'lOt-i working in the boss 102'andengagmgm hole 103' Fig. 14: in thefquadrant. This plunger is held in theengaging position by the spring 104 and is released by the arm 105.which is pivoted'at 106 and] operated the arm107; 111m 105 isforked onthe end to engage the bent over end of plunger 103. Pressure applied to107' to withdraw plunger 1 03. permits the quadrant t return'to theraised position instantly.

. lllis pivot-ally .connectedto theframe 16 as Adetailed plan view'ofthis-mechanism is shown in F g. 13.

In orderthat the machine may be properly supported when on the ground,afoot shown. in Figs, .1 5111(13. This foot is level with the rail andin combination with the shoe 18 forms a rigid support. It is neces- Isary to turn the foot out of the way when the machine is placed on oroperated on the rail, For this purpose a latch 113, is provided havingaplunger working 115, and

'engagingholes inthe frame 16 such as 114.

hen the latch 113 engages 114 the foot is positioned on line b F i 3 andas shown in Fig.11.' Y

a The machine is clamped to the rail by the mechanism shown in Fig- 3.Lugs .121 projecting from the frame 12, Fig. 1, form. the bearings forshaft 122 upon which the clamp ing arm 123 is mounted, also the clampingmembers 124 and 125,. screw 126 adjusted by the knob 127 is screwed intoeach of the clamping members. These screws terminate in spheres 128which engage the head of the rail as shown and can'be adjusted to engagebelow the rail head and thus assist in hol ding the machine down onthetrackor can be adjusted to engage the side of the rail or to take upa position between. these points.

The clamping member is slot-ted-onits" longitudinal centre and istightly clamped onl26 by the locking wheel 129. The wheel 130 performsthe samefunction for clam ingmember 124. A toothed quadrant 131is-secured to the frame. 'Thisquadrant has its centre on shaft122and'holds the clamping lever 123 iii-position by means of the latch 133pivoted'at 134 and engaging the quadranhait 135.;- Thisflatchiisreleased by the latch rod 132.

1 The height of the frame above the rail head is determined by therollers 13 and 14. For this purpose these rollers are provided I witheccentric bearings having a quick method of adjustment. The detailconstruc tion of this hearing is shown in Figs. 9 and 10. Theroller'shaft 141 is carried by the eccentric disc 142 which is providedwith a flange 143 engaging .the frame 144. A toothed quadrant 145 isalso secured to this frame. A projected bracket 146 formed in tegralwith the eccentric disc has a jaw 147 in which the toothed latch'148 ispivoted to engage the toothed quadrant 145. A lever handle 149 issecured to 1.46 and a plunger 150 in this handle releases the latch 148so that'the eccentric may be rotated 1n the tral'l'y between them.

frame 144 until the frame is at the desired height when} itis locked inposition by the latch 148. A COlleSPOlTCllIlg" eccentric 13 mounted, on.the opposite" end of shaft 141 and "rotates therewith.

It .Will be noted from Fig. 1 that the roll drilledcl oseto the end "ofthe rail it is appaircnt that one of the rollers will overhang the railand if there isno adjacent railthis roller will have no support. Inorderto j I operate the machine under these conditions the leveling screwsoperated by the hand wheels and 156, Fig. 1 are provided. Thesescrews,it will be noted, are located close to the centre of the machine andtherefore close to the drill. The hand wheel 156',

terminatesin the' point 158 engaging the fore, holds the'machinefinits'properr'elw tion to the ,rail' whenone ofjtherollersare projecting.beyond the rail.'

the rail and itsheight above therail 'is adjusted by the eccentrics'ofthe rollers until the point of the drill aligns withthe marking for thehole, The drill is then levelled by. turning theshoe 18 with the handle87.

Thequa'drant 91 islowered and latched and the/clamping lever is operatedto clamp the rail head. The drill isknow brought up to thewdrillingposition the handwheel 61 and afterthemotor is started it is fedby lever65. One movement of this lever, will feed. the-drill through the web ofthe rail.

in operation the machine is placedfupon Fig. .3 operates thethreadeds'tem 157 which i mu head. A locking disc 159'i'sprovided to vlock screw 157 against turning from the vibration of the'machine;The'p0int15'8 there H i loo The pressure on the drill is regulated bythis lever as desired. When the drilling is completed or when themachine is to be moved, the feedlever is movedto the starting positionwhich unlatches' it fromthe feed mechanism a'ndthe drillis moved' awayfrom the rail by hand wheel61; .The quadrant 91 is'then unlatched andthe'clamping lever 123 released when the machine is free to be moved asdesired.

The preferred embodiment of my inven tion is shown in the drawings butitis apparent that the details of the construction intent and spirit ofthe invention.

Having thus described my invention, 1

claim:

- can be modified without departing from the 1. In a machine fordrilling rails of a railway track, the combination of a mechanismmounted upon a frame arranged to roll up-I v on a rail of the track,sald frame havlng pro ections at right angles to -said rail, one

projection supporting the-drilling m'echanism and resting upon a shoeand the other projectionsupporting a motor and having.

afoot pivot-ally*connected thereto, means v whereby said foot may bemoved above the plane of said, rail and a latch for holding said foot inposition.

' 2 In a machine for drilling rails of a railwvay track, the combinationof amechanism mounted on agframe and operating a drill for drilling theweb of said rail a quadrant pivotally connected to said frame andarranged to engage said IZl-ll opposite sa1d drill, {said quadranthaving a normal tend ency to raise-its rail engaging end above the inthe engaging I AgInfa machine for drilling rails of a -way: track,mounted on a frame 4 drill for drilling the web of the rail, a quadrantpivotally connected tosaid frame and arranged to engage said railopposite said drill and a latch operating automatically for holding saidquadrant 1n the engaging position and means for releasing said latch.

5. In a machine for, drilling a rail of a railway track, in combination;a frame; means supporting the frame and allowing it to roll alongsupported by one rail only of the track; two studs passing; through theframe; means to adjust the studs vertically so that they may be made tobear on the top of*the rail andffree the first mentioned means from therail; means partly positioned on one side of the rail and partlypositioned on the'other side of the rail and bearing on the trackwa-yfor stea'dying and isupportin'g the ends of the frame; a drill havingits line of action substantially midway between the studs and means foroperating thedrill carried bythe frame. 7

6. In a machine for drilling a rail of a railway track, in combination;a framesubstantially in the formof across; means con-I nect'edtof theends of one of the members of thecross for supporting and rolling'theframe along one rail of the railway track;

a drilling mechanismattached to the other member on one side ofthe firstmentioned member and a motor attached tothesecond member on the otherside of the first men tioned member, means connecting the drillingmechanism with the motor; pivoted means attached to the framefon thesame side asthemotor for bearing on the Web of the railon each side ofand closely adjacent to'substantially the line of action of the drillingmechanism and means for clamping the frame to therail attached to theframe on the same side as the drillingflmechanism.

7 In a machine for drilling a rail of a railway track, in combination; aframe hav ing a portion positioned at a right angleto the rail andextending on bothsides of the rail; means attached to the, frame on oneside of the rail for clamping the frame to the rail-and meansattached tothe frame on the otherside of the' rail manually 015%, erable to bearagainst theyweb of" the rail, and manually'operable'means for releasingsaid first named means and means for auto matically moving'it free ofthe rail. I I '8. In a machine for drilling the rails of a railway trackthe c'ombination'of a mechanism mounted upon a frame arrangedto rollupona rail of the track,"saidframehaving projections at right angles to saidrail one projection supporting the drilling Inechvs5 anism "and having ashoe thereunder for supporting it with 'me'ansfor adjusting the heightof said shoe and the other projection supporting a motor having'a'footpivotally connected theretm'means whereby said foot I may be moved abovethe plane of said rail and a latch for holding said foot in position.Signedat New York in the county of New York and State of New York this25th dayof JulyAJD. 19241. EDWARD A. EVERETT;

